If a tracker transmits an 'alert' message, you will see an alert parameter. Alert types are further defined by alertType or genericType parameters. A table of alert types can be found below:
| alertType | Meaning | trigger |
|---|---|---|
| BUTTON | The user has pressed the red alert button | |
| BT_LOST | The bluetooth connection has been lost | |
| COLLISION | A collision alert | |
| COUNTDOWN | The countdown timer has timed-out | |
| DEAD_MAN | The dead-man timer wasn't reset in time | |
| GEOFENCE | The tracker has moved too far from it's geofence centre | |
| CANCEL | The user has cancelled any previous alerts (this is a menu option on the tracker). | |
| POWER | External power state change | POWER_LOSS POWER_GAIN |
| RESET_EXTERNAL | Hard reset performed on physical tracker | GENERIC |
| TEMPERATURE | Temperature outside preset range. | |
| POLYFENCE | The tracker has transmitted because it crossed a polyfence boundary. | |
| SWITCH_A_RISING SWITCH_A_FALLING SWITCH_B_RISING SWITCH_B_FALLING SWITCH_C_RISING SWITCH_C_FALLING SWITCH_D_RISING SWITCH_D_FALLING SWITCH_E_RISING SWITCH_E_FALLING | Activity occurred on an external input | |
| HOVER_ENTRY HOVER_EXIT | RockAIR specific feature - hover detection events | |
| TAKE_OFF LANDING STOPPED MOVING | RockAIR specific feature - events for fixed-wing aircraft to represent stopped (on blocks), moving (off-blocks), take-off and landing. | |
| TRACKING_SUSPEND TRACKING_AUTO_RESUME TRACKING_MANUAL_RESUME | Suspend/resume events | |
| EXCESSIVE_DESCENT_RATE EXCESSIVE_ASCENT_RATE | Excessive rate of change of altitude events | |
| WAYPOINT_A WAYPOINT_B WAYPOINT_C WAYPOINT_D | Waypoint events |